Add swagger.json API ref and refactor code base

This patch adds the API reference in the form of
swagger.json and refactors codebase to help in building
process using a Makefile.

Change-Id: I1ce11de6daf8defb563d8b6f319f05711057413b
Issue-ID: MUSIC-23
Signed-off-by: Shashank Kumar Shankar <shashank.kumar.shankar@intel.com>

1 files changed, 73 insertions, 0 deletions

diff --git a/src/dkv/api/propertiesReader.go b/src/dkv/api/propertiesReader.go
new file mode 100644
index 0000000..018dabe
--- /dev/null
+++ b/src/dkv/api/propertiesReader.go
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2018 Intel Corporation, Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package api
+
+import (
+	"errors"
+	"github.com/magiconair/properties"
+	"io/ioutil"
+	"path"
+	"runtime"
+)
+
+func PropertiesFilesToKV(directory string) (map[string]string, error) {
+	if directory == "default" {
+		kvs := make(map[string]string)
+
+		_, filename, _, ok := runtime.Caller(0)
+
+		if !ok {
+			return nil, errors.New("No caller")
+		}
+
+		configDir := path.Dir(filename) + "/../configurations/"
+		err := ReadMultipleProperties(configDir, kvs)
+		if err != nil {
+			return nil, err
+		}
+		return kvs, nil
+	} else {
+		// Add case if directory is not there.
+		kvs := make(map[string]string)
+		directory += "/"
+		err := ReadMultipleProperties(directory, kvs)
+		if err != nil {
+			return nil, err
+		}
+		return kvs, nil
+	}
+}
+
+func ReadProperty(path string, kvs map[string]string) {
+	p := properties.MustLoadFile(path, properties.UTF8)
+	for _, key := range p.Keys() {
+		kvs[key] = p.MustGet(key)
+	}
+}
+
+func ReadMultipleProperties(path string, kvs map[string]string) error {
+	files, err := ioutil.ReadDir(path)
+	if err != nil {
+		return err
+	}
+
+	for _, f := range files {
+		ReadProperty(path+f.Name(), kvs)
+	}
+
+	return nil
+}